1252301425 has 6 divisors (see below), whose sum is σ = 1552853798. Its totient is φ = 1001841120.

The previous prime is 1252301423. The next prime is 1252301441. The reversal of 1252301425 is 5241032521.

It can be written as a sum of positive squares in 3 ways, for example, as 9809424 + 1242492001 = 3132^2 + 35249^2 .

It is not a de Polignac number, because 1252301425 - 2¹ = 1252301423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 50092057 = 1252301425 / (1 + 2 + 5 + 2 + 3 + 0 + 1 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252301425.

It is not an unprimeable number, because it can be changed into a prime (1252301423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25046004 + ... + 25046053.

Almost surely, 2^1252301425 is an apocalyptic number.

It is an amenable number.

1252301425 is a deficient number, since it is larger than the sum of its proper divisors (300552373).

1252301425 is an equidigital number, since it uses as much as digits as its factorization.

1252301425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50092067 (or 50092062 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1252301425 is about 35387.8711566548. The cubic root of 1252301425 is about 1077.8780423505.

Adding to 1252301425 its reverse (5241032521), we get a palindrome (6493333946).

The spelling of 1252301425 in words is "one billion, two hundred fifty-two million, three hundred one thousand, four hundred twenty-five".